150ml K18 Leave-In Molecular Hair Mask 100% original genuine product, QR code, latest packaging Active peptide Protecting the stratum corneum of hair Penetrating into the interior of the hair core, closing the stratum corneum to prevent exposure and damage, reducing hair breakage Repair hair scales Hair color repair, supplementing the core ingredient "active belly peptide" for the hair core to improve hair quality and make hair color more long-lasting ingredient Keratin keratin is the main substance in hair composition, composed of 1242 active peptides. Over a period of 10 years, biotechnology experts at K18 have developed and extracted some active peptides with their own gene replication function. K18's patented technology for active peptide gene replication has fully revived damaged hair from the root cause